31940792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1559}}^1$

素因数の和:1775

約数の個数: 32

約数和(自身を含む): 64864800

約数和(自身を除く): 32924008

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 1559, 1576, 2561, 3118, 5122, 6236, 10244, 12472, 20267, 20488, 40534, 81068, 162136, 307123, 614246, 1228492, 2456984, 3992599, 7985198, 15970396, 31940792]

約数ペア:

[(1, 31940792), (2, 15970396), (4, 7985198), (8, 3992599), (13, 2456984), (26, 1228492), (52, 614246), (104, 307123), (197, 162136), (394, 81068), (788, 40534), (1559, 20488), (1576, 20267), (2561, 12472), (3118, 10244), (5122, 6236)]